diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 4e9d1792baf3..f7fcf700196b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -1276,7 +1276,6 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm *mvm = mvmvif->mvm; - bool prev; u8 value; int ret; @@ -1287,9 +1286,7 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, return -EINVAL; mutex_lock(&mvm->mutex); - prev = iwl_mvm_vif_low_latency(mvmvif); - mvmvif->low_latency_dbgfs = value; - iwl_mvm_update_low_latency(mvm, vif, prev); + iwl_mvm_update_low_latency(mvm, vif, value, LOW_LATENCY_DEBUGFS); mutex_unlock(&mvm->mutex); return count; @@ -1306,9 +1303,9 @@ static ssize_t iwl_dbgfs_low_latency_read(struct file *file, len = scnprintf(buf, sizeof(buf) - 1, "traffic=%d\ndbgfs=%d\nvcmd=%d\n", - mvmvif->low_latency_traffic, - mvmvif->low_latency_dbgfs, - mvmvif->low_latency_vcmd); + !!(mvmvif->low_latency & LOW_LATENCY_TRAFFIC), + !!(mvmvif->low_latency & LOW_LATENCY_DEBUGFS), + !!(mvmvif->low_latency & LOW_LATENCY_VCMD)); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 82445e12aacb..d2cf751db68d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -299,6 +299,18 @@ enum iwl_bt_force_ant_mode { BT_FORCE_ANT_MAX, }; +/** +* struct iwl_mvm_low_latency_cause - low latency set causes +* @LOW_LATENCY_TRAFFIC: indicates low latency traffic was detected +* @LOW_LATENCY_DEBUGFS: low latency mode set from debugfs +* @LOW_LATENCY_VCMD: low latency mode set from vendor command +*/ +enum iwl_mvm_low_latency_cause { + LOW_LATENCY_TRAFFIC = BIT(0), + LOW_LATENCY_DEBUGFS = BIT(1), + LOW_LATENCY_VCMD = BIT(2), +}; + /** * struct iwl_mvm_vif_bf_data - beacon filtering related data * @bf_enabled: indicates if beacon filtering is enabled @@ -335,9 +347,8 @@ struct iwl_mvm_vif_bf_data { * @pm_enabled - Indicate if MAC power management is allowed * @monitor_active: indicates that monitor context is configured, and that the * interface should get quota etc. - * @low_latency_traffic: indicates low latency traffic was detected - * @low_latency_dbgfs: low latency mode set from debugfs - * @low_latency_vcmd: low latency mode set from vendor command + * @low_latency: indicates low latency is set, see + * enum &iwl_mvm_low_latency_cause for causes. * @ps_disabled: indicates that this interface requires PS to be disabled * @queue_params: QoS params for this MAC * @bcast_sta: station used for broadcast packets. Used by the following @@ -367,7 +378,7 @@ struct iwl_mvm_vif { bool ap_ibss_active; bool pm_enabled; bool monitor_active; - bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd; + u8 low_latency; bool ps_disabled; struct iwl_mvm_vif_bf_data bf_data; @@ -1756,7 +1767,8 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); /* Low latency */ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - bool value); + bool low_latency, + enum iwl_mvm_low_latency_cause cause); /* get SystemLowLatencyMode - only needed for beacon threshold? */ bool iwl_mvm_low_latency(struct iwl_mvm *mvm); /* get VMACLowLatencyMode */ @@ -1772,9 +1784,17 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) * binding, so this has no real impact. For now, just return * the current desired low-latency state. */ - return mvmvif->low_latency_dbgfs || - mvmvif->low_latency_traffic || - mvmvif->low_latency_vcmd; + return mvmvif->low_latency; +} + +static inline +void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set, + enum iwl_mvm_low_latency_cause cause) +{ + if (set) + mvmvif->low_latency |= cause; + else + mvmvif->low_latency &= ~cause; } /* hw scheduler queue config */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 70f8b8eb6117..bebcfb44c8c2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1034,14 +1034,18 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) } int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - bool prev) + bool low_latency, + enum iwl_mvm_low_latency_cause cause) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int res; - bool low_latency; + bool prev; lockdep_assert_held(&mvm->mutex); + prev = iwl_mvm_vif_low_latency(mvmvif); + iwl_mvm_vif_set_low_latency(mvmvif, low_latency, cause); + low_latency = iwl_mvm_vif_low_latency(mvmvif); if (low_latency == prev)